Browsing EQA - Escola de Química e Alimentos by Author "Dias, Silvio Luís Pereira"
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Metal nanoparticle/Ionic liquid/cellulose: new catalytically active membrane materials for hydrogenation reactions
Gelesky, Marcos Alexandre; Scheeren, Carla Weber; Foppa, Lucas; Pavan, Flávio André; Dias, Silvio Luís Pereira; Dupont, Jairton (2009)Transition metal-containing membrane films of 10, 20, and 40 μm thickness were obtained by the combination of irregularly shaped nanoparticles with monomodal size distributions of 4.8 ( 1.1 nm (Rh(0)) and 3.0 ( 0.4 nm ... -
Silica-Alumina-Niobia (SiO2/Al2O3/Nb2O5) Matrix Obtained by the Sol-gel Processing Method: New Material for Online Extraction of Zinc Ions
Tarley, César Ricardo Teixeira; Ávila, Thiago Carvalho de; Segatelli, Mariana Gava; Lima, Giovana de Fátima; Peregrino, Gabrielly dos Santos; Scheeren, Carla Weber; Dias, Silvio Luís Pereira; Ribeiro, Emerson Schwingel (2010)In the present work, a new material, SiO2/Al2O3/Nb2O5 (designated as SiAlNb), was evaluated as an adsorbent in a flow injection spectrophotometric method for online preconcentration and determination of trace amounts of ...